Brother ADS-3000N Service Manual page 39

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
Step
The maintenance mode function
1 "Acquire white level data and set
CIS scan area" are not set.
Old firmware
2
First side or second side CIS unit
3
failure
4 Main PCB failure
Dot or dirt

Step
First side or second side CIS unit
1
failure
Cause
Execute the maintenance mode function
"Acquire white level data and set CIS scan
area". (Refer to
Install the latest version firmware. (Refer to
"1.1" in Chapter
Replace the first side or second side CIS
unit.
Replace the main PCB ASSY.
<User Check>
- Clean the feeding path.
- Moisten a soft cloth with cleaning solution. Gently and
evenly wipe the pick up roller and reverse roller
perpendicular to the direction of the rotation with the
cloth to clean it.
Note: Do not use any solution except the one packaged
in the accessory (ethanol or detergent on the
market). Failure to keep this instruction may cause
the roller deterioration or machine break down.
Cause
2-20
Remedy
"1.3.5" in Chapter
4.)
Remedy
Replace the first side or second side CIS
unit.
5.)
Confidential